[cisco-voip] international calling ... preemption

Madziarczyk, Jonathan JMad at cityofevanston.org
Thu May 27 11:47:57 EDT 2010


So I'm trying to set up some basic international calling on my H323
gateway.  But I'm getting a preemption error in my Q931 debugs and a
fast busy on the phone.  Is the problem on the Gateway or on the PSTN
side, and how can I tell?

 

Dial-peer voice 1 pots

Destination-pattern 9011............ (12 periods)

Direct-inward-dial

Port 0/0/0 :23

 

My Q931 looks something like this :

May 27 15:04:24.818: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8  callref =
0x0090

        Bearer Capability i = 0x8090A2

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98397

                Exclusive, Channel 23

        Calling Party Number i = 0x2181, 'mynumber'

                Plan:ISDN, Type:National

        Called Party Number i = 0x91, '011442074999000'

                Plan:ISDN, Type:International

May 27 15:04:24.878: ISDN Se0/0/0:23 Q931: RX <- RELEASE_COMP pd = 8
callref = 0x8090

        Cause i = 0xC088 - Preemption

 

Ideas?

 

JM

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